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https://issues.apache.org/jira/browse/HADOOP-13040?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15250452#comment-15250452
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Allen Wittenauer commented on HADOOP-13040:
-------------------------------------------
bq. Does HADOOP_OPTS get added as environment variable or part of the command
line argument?
It's passed as a Java system property on the command line.
bin/hdfs in branch-2:
{code}
exec "$JAVA" -Dproc_$COMMAND $JAVA_HEAP_MAX $HADOOP_OPTS $CLASS "$@"
{code}
hadoop_java_exec in hadoop-functions.sh in trunk:
{code}
exec "${JAVA}" "-Dproc_${command}" ${HADOOP_OPTS} "${class}" "$@"
{code}
> HADOOP_NAMENODE_OPTS does not pass -DconfigKey=Value to namenode as parameter
> ------------------------------------------------------------------------------
>
> Key: HADOOP-13040
> URL: https://issues.apache.org/jira/browse/HADOOP-13040
> Project: Hadoop Common
> Issue Type: Bug
> Components: scripts
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
>
> We want to hide the ldap bind password file path from core-site.xml by
> setting the following in hadoop-env.sh only.
> export HADOOP_NAMENODE_OPTS=$HADOOP_NAMENODE_OPTS
> -Dhadoop.security.group.mapping.ldap.bind.password.file
> =BIND_PASSWORD_FILE_PATH
> However, it does not work as expected and the BIND_PASSWORD_FILE_PATH is not
> honored with existing hadoop_add_param call from
> hadoop-config.sh/hadoop-function.sh.
>
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